Estrogen and progesterone exposure is reduced in response to energy deficiency in women aged 25–40 years

Por Williams, N.I., Reed, J.L., Leidy, H.J., Legro, R.S., De Souza, M.J.
Publicado em 2010

Exercise lowers estrogen and progesterone levels in premenopausal women at high risk of breast cancer

Por Kossman, D. A., Williams, N. I., Domchek, S. M., Kurzer, M. S., Stopfer, J. E., Schmitz, K. H.
Publicado em 2011

Correction of misinterpretations and misrepresentations of the female athlete triad

Por De Souza, M J, Alleyne, J, Vescovi, J D, Williams, N I, VanHeest, J L, Warren, M P
Publicado em 2007

Effects of Aerobic Exercise Training on Cognitive Function and Cortical Vascularity in Monkeys

Por Rhyu, I.J., Bytheway, J.A., Kohler, S.J., Lange, H., Lee, K. J., Boklewski, J., McCormick, K., Williams, N.I., Stanton, G.B., Greenough, W.T., Cameron, J.L.
Publicado em 2010